Buggy code:
private static final byte M_QUOTE = ( ( byte ) ( 3 ) ) ; List < String > command ; String [ ] env = null ; String dir = null ; Process process ; boolean synchronous = true ; boolean remote = false ; boolean killed = false ; Level [ ] level = new Level [ ] { Level . INFO , Level . WARNING } ; int [ ] streamHandling = new int [ ] { Command . BULK_LOG , Command . BULK_LOG } ; String [ ] streamMatch = new String [ 2 ] ; InputStream [ ] stream = new InputStream [ 2 ] ; String [ ] outputFile = new String [ 2 ] ; boolean [ ] outputFileAppend = new boolean [ ] { false , false } ; boolean [ ] forceFile = new boolean [ 2 ] ; boolean daemon = false ; byte [ ] input ; String inputFile ; List < CommandHandle > handleList ; public Command ( String command ) { } public Command ( String ... command ) { } public Command ( List < String > command ) { } public static List < String > parseArgs ( String command ) { } @ Override public String toString ( ) { } public CommandHandle execute ( CommandChecker checker , Map < String , List < String > > extMap ) throws IOException , InterruptedException { } public CommandHandle executeJava ( CommandChecker checker , List < String > extClassPath ) throws IOException , InterruptedException { } public CommandHandle execute ( ) throws IOException , InterruptedException { CommandHandleImpl handle = null ; try { handle = new CommandHandleImpl ( this ) ; } catch ( RemoteException e ) { Logger logger = Logger . getLogger ( CommandHandleImpl . class . getName ( ) ) ; logger . log ( Level . SEVERE , "Could<seq2seq4repair_space>not<seq2seq4repair_space>export<seq2seq4repair_space>remote<seq2seq4repair_space>command<seq2seq4repair_space>handle." , e ) ; return null ; } Logger logger = Logger . getLogger ( this . getClass ( ) . getName ( ) ) ; if ( logger . isLoggable ( Level . FINE ) ) { StringBuilder msg = new StringBuilder ( ) ; msg . append ( "Executing:<seq2seq4repair_space>" ) ; msg . append ( command . toString ( ) ) ; logger . fine ( msg . toString ( ) ) ; } ProcessBuilder b = new ProcessBuilder ( command ) ; if ( ( env ) != null ) { Map < String , String > environment = b . environment ( ) ; for ( String envi : env ) { int eqIdx = envi . indexOf ( '=' ) ; if ( eqIdx < 1 ) { logger . warning ( ( ( "Invalid<seq2seq4repair_space>env<seq2seq4repair_space>string:<seq2seq4repair_space>" + envi ) + "<seq2seq4repair_space>--<seq2seq4repair_space>ignoring" ) ) ; continue ; } String name = envi . substring ( 0 , eqIdx ) . trim ( ) ; String value = envi . substring ( ( eqIdx + 1 ) ) . trim ( ) ; if ( ( value . length ( ) ) > 0 ) environment . put ( name , value ) ; else environment . remove ( name ) ; } } if ( ( dir ) != null ) b . directory ( new File ( dir ) ) ; process = b . start ( ) ; if ( ( handleList ) != null ) handleList . add ( handle ) ; stream [ Command . STDOUT ] = process . getInputStream ( ) ; stream [ Command . STDERR ] = process . getErrorStream ( ) ; String tmpName = ( ( System . getProperty ( "java.io.tmpdir" ) ) + "//cmd" ) + ( process . hashCode ( ) ) ; if ( ( outputFile [ 1 ] ) == null ) outputFile [ 1 ] = tmpName ; else forceFile [ 1 ] = true ; if ( ( outputFile [ 0 ] ) == null ) outputFile [ 0 ] = tmpName + "-out" ; else forceFile [ 0 ] = true ; <START_BUG> handle . processLogs ( this ) ; <END_BUG> if ( ( ( inputFile ) != null ) && ( ( inputFile . length ( ) ) > 0 ) ) input = CommandHandleImpl . readFile ( inputFile ) ; if ( ( ( input ) != null ) && ( ( input . length ) > 0 ) ) { OutputStream stdin = process . getOutputStream ( ) ; try { stdin . write ( input ) ; stdin . flush ( ) ; stdin . close ( ) ; } catch ( IOException e ) { logger . log ( Level . WARNING , "Error<seq2seq4repair_space>writing<seq2seq4repair_space>stdin." , e ) ; } } if ( synchronous ) { handle . waitFor ( ) ; if ( ( handleList ) != null ) handleList . remove ( handle ) ; } else { handle . waitMatch ( ) ; } return handle ; } public void setEnvironment ( String [ ] env ) { } public String [ ] getEnvironment ( ) { } public void setWorkingDirectory ( String dir ) { } public String getWorkingDirectory ( ) { } public void setSynchronous ( boolean synchronous ) { } public boolean isSynchronous ( ) { } public void waitMatch ( int streamId , String match ) { } public void setLogLevel ( int streamId , Level level ) { } public Level getLogLevel ( int streamId ) { } public void setStreamHandling ( int streamId , int mode ) { } public int getStreamHandling ( int streamId ) { } public void setOutputFile ( int streamId , String fileName ) { } public void setOutputFile ( int streamId , String fileName , boolean append ) { } public String getOutputFile ( int streamId ) { } public void setInput ( byte [ ] input ) { } public byte [ ] getInput ( ) { }

Fix:
handle . processLogs ( ) ;